关键词：传统中医；脉冲信号；传感器；移动应用程序
摘 要：In the Traditional Chinese Medicine, doctors diagnose patients by reading pulses from their wrists, so as to give out proper receipts of herbs curing patients across generations.In our capstone project, a mobile app with sensor gadget has been developed to detect, gather, convert and process pulse signals, and offer users valuable health suggestions. To get accurate pulse signals from wrists, several sensor prototypes have been developed and prototyped. The best-performing sensor, a piezoelectric sensor, is chosen and implemented in detail. Pulse data was processed to extract a stable pulse signal, in aspects of: amplitude of peak signal, and signal time period. From this information the app makes 'diagnoses' about the stress level and health condition of different organs of users. Finally, our mobile app delivers feedback to users, guiding them to healthier lives. The price of the Dr. Chi hardware, and mobile app is projected to be 30 dollars, and so promises to be orders of magnitudes more affordable than existing products for convenient health diagnoses.